However, they are minor characters, and their chief role is to serve as policemen.

But his chief role, he recalls, was "keeping other managers, and vice presidents, out of the way, so that these people could do their thing."

Meanwhile, women's chief role in reproduction is not only still there but greatly enhanced.

He has held chief roles from operations to marketing.

In that our mutants had played the chief role.

He soon got promoted to the main chief role.

Training and experimentation remained its chief role for the remainder of war.

I can see he isn't a popular candidate for the chief role in this highly interesting drama.

The chief role of religion has always been reactionary.

For most believers, though, her chief role was practical, not ideological.